US Bridges

Lrd 300th ST over S Tiffany Creek

Good

St. Croix County, Wisconsin · 0.1M N JCT Cth Dd · Structure no. B55017200000000

Built
1996
29 years old
Condition
Good
inspected October 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
48 ft
1 main span
Daily traffic
60
2022 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Lrd 300th ST over S Tiffany Creek is a prestressed concrete stringer/multi-beam or girder carrying Lrd 300th ST over S Tiffany Creek in St. Croix County, Wisconsin. It was built in 1996, so it is 29 years old, younger than the Wisconsin average of 40.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 60 vehicles a day, projected to reach 56 by 2043. The structure is 48 ft (14.6 m) long and 26 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesLrd 300th ST
CrossesS Tiffany Creek
Location0.1M N JCT Cth Dd
RouteCity Street 0
Coordinates45.03298, -92.19754
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating62.8 US tons
Inventory rating44.6 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length48 ft (14.6 m)
Longest span46 ft (14 m)
Deck width26 ft (7.9 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic60 (2022)
Projected traffic56 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerTown or Township Highway Agency
Maintained byTown or Township Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Lrd 300th ST over S Tiffany Creek built?

It was built in 1996, making it 29 years old in 2025.

What condition is Lrd 300th ST over S Tiffany Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in October 2024.

How much traffic does Lrd 300th ST over S Tiffany Creek carry?

About 60 vehicles per day (2022 count).

How long is Lrd 300th ST over S Tiffany Creek?

The structure is 48 ft (14.6 m) long with a longest span of 46 ft (14 m) and a deck 26 ft wide.

Who owns Lrd 300th ST over S Tiffany Creek?

It is owned by the Town or Township Highway Agency.